Abstract: An image processing system for an image sensor includes an analog-to-digital conversion (ADC) unit that performs ADC on pixel signals, thereby generating digital pixel signals; a correlated double sampling (CDS) unit that performs CDS on the digital pixel signals; a black level estimation (BLE) unit that generates a negative offset voltage according to dark voltage obtained from CDS performed on estimating optical black pixels (OBPs) of a pixel array, the negative offset voltage being subtracted from the pixel signals before feeding the pixel signals to the ADC unit; and a black level compensation (BLC) unit that performs BLC on active pixels sensors (APSs) and the compensating OBPs of the pixel array.

Abstract: The present invention provides a technique for achieving higher picture quality of a captured image by reducing noise which occurs at the time of resetting in a solid-state image sensing device and the like. A pixel array in a solid-state image sensing device includes a plurality of pixels and includes an OB pixel region and an effective pixel region. The solid-state image sensing device has a signal processing unit outputting a pixel signal of each of the pixels in the effective pixel region on the basis of the signal level of a signal output from each of the pixels. The solid-state image sensing device obtains a signal without applying a reset signal to each of the pixels in the OB pixel region, obtains the difference between the signal and a signal of a pixel in the effective pixel region, and outputs an image signal.

Abstract: A solid-state imaging device includes a pixel having a photoelectric conversion element which generates a charge in response to incident light, a first transfer gate which transfers the charge from the photoelectric conversion element to a charge holding section, and a second transfer gate which transfers the charge from the charge holding section to a floating diffusion. The first transfer gate includes a trench gate structure having at least two trench gate sections embedded in a depth direction of a semiconductor substrate, and the charge holding section includes a semiconductor region positioned between adjacent trench gate sections.

Abstract: An image sensor may include an array of image pixels coupled to analog-to-digital conversion circuitry formed from pinned photodiode charge transfer circuits. Majority charge carriers for the pinned photodiodes in the charge transfer circuits may be electrons for photodiode wells formed from n-type doped regions and may be holes for photodiode formed from p-type doped regions. Pinned photodiodes may be used for charge integration onto a capacitive circuit node. Pinned photodiodes may also be used for charge subtraction from a capacitive circuit node. Comparator circuitry may be used to determine digital values for the pixel output levels in accordance with single-slope conversion, successive-approximation-register conversion, cyclic conversion, and first or second order delta-sigma conversion techniques. The array of image pixels used for imaging may have a conversion mode wherein at least a portion of the pixel circuitry in the array are operated similar to the charge transfer circuits.

Abstract: Provided is a solid-state imaging device including a lamination-type backside illumination CMOS (Complementary Metal Oxide Semiconductor) image sensor having a global shutter function. The solid-state imaging device includes a separation film including one of a light blocking film and a light absorbing film between a memory and a photo diode.

Abstract: In various embodiments, methods and related apparatuses for scaling down pixel sizes in quantum film-based image sensors are disclosed. In one embodiment, an image sensor circuit is disclosed that includes circuit includes an optically sensitive layer, a first pixel having a first electrode coupled to a first region of optically sensitive layer, a second pixel having a second electrode coupled to a second region of optically sensitive layer, and a readout circuit having at least one transistor that is shared among the first pixel and the second pixel. In a first time interval, the transistor is used in a readout of a signal related to illumination of the first pixel over an integration period. During a second time interval, the transistor is used in a readout of a signal related to illumination of the second pixel over an integration pixel. The signals thusly read constitute a time-domain multiplexed (TDM) signal.

Abstract: An image sensor may include an array of pixels having an active pixel. The active pixel may generate image signals in response to incident light. The image sensor may also include a power supply and booster circuitry. The power supply may provide a powers supply voltage signal, which has a first noise component, to the active pixel. The booster circuitry may provide a control signal, which has a second noise component that is the inverted version of the first noise component, to the active pixel. The control signal with the second noise component may be used to reject the first noise component, which is an unwanted noise component (e.g., power supply noise). The booster circuitry may include an operational amplifier, capacitors, and switches coupled to two input terminals and one output terminal of the operational amplifier in various configurations.

Abstract: Disclosed is an imaging device and method capable of obtaining an image with exposure appropriate for each sample when a plurality of samples are collectively imaged. For performing imaging using an imaging device configured to divide an imaging area into a plurality of partial areas, to perform imaging for each partial area, a proper exposure time is calculated for each partial area based on an image signal, a positive integer multiple of the maximum value among the calculated proper exposure times is set as a total imaging time, an imaging frequency is set for each partial area using a value obtained by dividing the total imaging time by the calculated proper exposure time, imaging with the calculated proper exposure time of the partial area is successively and repeatedly performed by the set imaging frequency, and each image successively imaged is simply added or is added and averaged.

Abstract: For each of the signal corresponding to a signal of a photoelectric converting unit being only a part of an effective pixel and the signal corresponding to a signal obtained by adding signals of a plurality of photoelectric converting units, the difference corresponding to the signal corresponding to the signal obtained by adding the signals of the plurality of photoelectric converting units of a light-shielded pixel.

Abstract: A pixel circuit includes a transfer transistor coupled between a photodiode and a floating diffusion to selectively transfer image charge accumulated in the photodiode to the floating diffusion. A selection circuit is coupled to select one of a first transfer control signal, a second transfer control signal, or a third transfer control signal to control the transfer transistor. The selection circuit is coupled to output the first transfer control signal in response to a precharge enable signal during a read out operation of a different row than a row in which the transfer transistor is included, to output the second transfer control signal in response to a sample enable signal during a read out operation of the row in which the transfer transistor is included, and output the third transfer control signal to partially turn on the transfer transistor during an idle state of the pixel circuit.

Abstract: An image processing apparatus for processing signals read out from an image sensor that includes a plurality of photoelectric conversion portions for each of a plurality of micro-lenses, and can read out signals for each row selectively by either an addition readout operation, or a divisional readout operation. The image processing apparatus includes a first processing unit to perform offset correction on signals of a first row read out by the addition readout operation using signals in two or more rows that were read out by the addition readout operation before the first row, and a second processing unit to perform offset correction on signals of a second row read out by the divisional readout operation using the signals of the second row and a predetermined value.

Abstract: Provided is an image pickup apparatus capable of reading out and outputting pixel data of a partial area of a rolling shutter type image sensor. The image pickup apparatus includes: a readout condition setter configured to set a readout condition from the image sensor; a charge time setter configured to set charge time of the image sensor; a controller configured to control charging of the image sensor and readout from the image sensor so as to achieve constant charge time irrespective of the readout condition; and an image signal output unit configured to output a pixel signal read out by the controller.

Abstract: A signal based on a pixel signal of a first pixel sampled by a capacitor element is held by a signal holding unit with a switch left turned on.

Abstract: An image sensor includes a pixel array unit including an active pixel area including active pixels, a first dark area including first dark pixels, and a second dark area including second dark pixels, an offset extractor configured to extract a final dark offset value, and a corrector configured to correct pixel data values of the active pixels based on the final dark offset value. The offset extractor extracts a per-column dark offset value, a global dark offset value, a per-row average, and a per-row noise value, selects one of the extracted per-column dark offset value and global dark offset value, and extracts the final dark offset value from the per-row noise value and either the per-column dark offset value or the global dark offset value.

Abstract: An image pickup apparatus capable of obtaining a smooth video image and of reducing deterioration in the vertical resolution and an image stabilization performance. An image pickup device has a valid pixel area for obtaining an image signal, an optical black area for an optical black correction, and an amplifier unit that amplifies an output from the pixel area and outputs an image signal. A gain adjustment unit adjusts gain of the image signal. A reading control unit changes a gain value in the amplifier unit, changes the numbers of lines in the areas, and performs reading control of the image pickup device, when a control gain value in the gain adjustment unit exceeds a reference value. A change unit changes a time constant of a correction filter used for the optical black correction when the control gain value exceeds the specified reference value.

Abstract: A solid-state image sensor has a pixel array and a processor configured to process a signal from the pixel array, the pixel array including a light-receiving pixel having first and second photoelectric converters and a light-shielded pixel having third and fourth photoelectric converters. The processor outputs (a) a pixel signal corresponding to charges of the first photoelectric converter, (b) an added pixel signal corresponding to a sum of charges of the first photoelectric converter and charges of the second photoelectric converter, and (c) an added reference signal corresponding to a sum of charges of the third photoelectric converter and charges of the fourth photoelectric converter, and does not output (d) a reference signal corresponding to charges of the third photoelectric converter and a reference signal corresponding to charges of the fourth photoelectric converter.

Abstract: The present invention relates to the correction of X-ray image information, e.g. the correction of X-ray image information regarding persistent currents in X-ray detector elements. X-ray detectors may be embodied as photoconductors with ohmic contacts, which output a photo current depending on the energy and amount of photons impinging on a respective photoconductor pixel. Such photoconductors may exhibit a photoconductive gain, i.e. the measured current when irradiated by X-ray is higher than the current, which would result from impinging photons only generating electron-hole pairs. To compensate for photoconductive gain a method (50) for image correction of X-ray image information is provided, comprising receiving (52) readout information of an X-ray detector element (14), wherein the readout information is dependent on impinging X-radiation (20) generating a photo current and compensating (54) the readout information for a photoconductive gain employing compensation information.

Abstract: A CMOS image sensor has a pixel array provided with a plurality of unit pixels arranged in a matrix shape of rows and columns. Each of the unit pixels includes a photocharge generation means for generating photocharges by absorbing an external light; and a sensing node for receiving the photocharges transferred from the photocharge generation means, wherein the sensing node of the unit pixel in a previous scan line is shared with a sensing node of a unit pixel in a current scan line in response to a line select signal of the current line.

Abstract: A sensor for suppressing a background signal is provided. The sensor includes: a pixel array that detects a signal by using a plurality of pixels; an accumulator that converts a differential signal between two signals detected from an arbitrary pixel of the pixel array at predetermined times into a digital signal and accumulates the digital signal; and a digital memory that stores the accumulated digital signal.

Abstract: A method for performing lens shading compensation is provided. The method includes: receiving at least two series of source images of different exposure settings; performing first lens shading compensation on the at least two series of source images respectively; analyzing luminance distribution of the at least two series of compensated source images; composing a series of HDR images from the at least two series of compensated source images according to the luminance distribution; performing second lens shading compensation on the series of HDR image; and performing tone mapping on the series of compensated HDR images. A system for performing lens shading compensation is also provided.

Abstract: An image pickup device which suppresses an increase in chip area of peripheral circuits without degrading the performance of a pixel section and makes it possible to prevent costs from being increased. The image pickup device includes a first semiconductor substrate and a second semiconductor substrate. A pixel section includes photo diodes each for generate electric charges by photoelectric conversion, floating diffusions each for temporarily storing the electric charges generated by the photo diode, and amplifiers each connected to the floating diffusion, for outputting a signal dependent on a potential of the associated floating diffusion. Column circuits are connected to vertical signal lines, respectively, for performing predetermined processing on signals output from the pixel section to vertical signal lines.

Abstract: The present invention provides a technique for achieving higher picture quality of a captured image by reducing noise which occurs at the time of resetting in a solid-state image sensing device and the like. A pixel array in a solid-state image sensing device includes a plurality of pixels and includes an OB pixel region and an effective pixel region. The solid-state image sensing device has a signal processing unit outputting a pixel signal of each of the pixels in the effective pixel region on the basis of the signal level of a signal output from each of the pixels. The solid-state image sensing device obtains a signal without applying a reset signal to each of the pixels in the OB pixel region, obtains the difference between the signal and a signal of a pixel in the effective pixel region, and outputs an image signal.

Abstract: Embodiment relate to a display panel that modulates 3D image data based on pixel data of adjacent lines. The display panel includes data lines, gate lines, and a plurality of pixels; a data modulation unit. The modulation unit modulates kth pixel data of a jth line in 3D image data based on the kth pixel data of the jth line and kth pixel data of a line adjacent to the jth line. The data driving circuit converts the modulated 3D image data into analog data voltages and outputs the analog data voltages to the data lines. A gate driving circuit sequentially outputs gate pulses to the gate lines.

Abstract: An image pickup device which suppresses an increase in chip area of peripheral circuits without degrading the performance of a pixel section and makes it possible to prevent costs from being increased. The image pickup device includes a first semiconductor substrate and a second semiconductor substrate. A pixel section includes photo diodes each for generate electric charges by photoelectric conversion, floating diffusions each for temporarily storing the electric charges generated by the photo diode, and amplifiers each connected to the floating diffusion, for outputting a signal dependent on a potential of the associated floating diffusion. Column circuits are connected to vertical signal lines, respectively, for performing predetermined processing on signals output from the pixel section to vertical signal lines.

Abstract: A focus detection apparatus comprises a line sensor including a photoelectric conversion element and an integrating capacitor, a storage unit configured to store information concerning a defective pixel, a first comparison unit configured to compare a signal from the defective pixel with a predetermined threshold, a switching unit configured to switch between a first accumulation mode and a second accumulation mode, and a control unit configured to control the switching unit so as to set the line sensor in the first accumulation mode if the first comparison unit determines that a signal from the defective pixel is not more than the predetermined threshold and set the line sensor in the second accumulation mode if the first comparison unit determines that a signal from the defective pixel is larger than the threshold.

Abstract: An image processing method and apparatus are provided. The image processing method includes collecting at least two exposure frames with different brightness in a same scene during different exposure time; combining, for each exposure frame, a raw data unit arranged repeatedly in the exposure frame to obtain first brightness data after the combining; acquiring a correction parameter of all exposure frames according to all first brightness data and performing weighting processing on all the exposure frames by using the correction parameter to obtain a high dynamic range (HDR) image of corrected raw data. The foregoing method can resolve a problem in the prior art that colors, brightness, and contrast of an image obtained from Raw data are severely distorted.

Abstract: Automatic triggering of an intraoral x-ray sensor used in a dental x-ray imaging system. The intraoral sensor has an array of pixels. The array of pixels has a plurality of lines of pixels, and each of the pixels generates an electrical signal correlated to x-ray radiation that impinges that pixel. An electronic control unit is connected to the intraoral sensor to receive electric signals from the array of pixels. The electronic control unit destructively reads pixel clusters in one or more of the plurality of lines of pixels. The electronic control unit is configured to generate a dose-correlated signal based on the signals from each of the pixel clusters in each of the one or more lines of pixels and initiate capture of an image generated with information from each of the pixels in the array of pixels, when the combined signal exceeds a predetermined threshold.

Abstract: An imaging device includes an effective pixel region outputting an effective pixel signal, a first shielded pixel region outputting a shielded pixel signal before the effective pixel signal is output, and a second shielded pixel region outputting a shielded pixel signal after the effective pixel signal has been output. In the device, in a steady state, frame clamping is performed using a clamping reference value generated from the pixel signals of the second shielded pixel region. A frame in a transition state in which the optical black signal level of the imaging device changes is subjected to frame clamping using a clamping reference value generated from the pixel signals of the first shielded pixel region.

Abstract: An imaging apparatus including: a solid-state imaging device including pixels arranged in rows and columns, the device including: an OB pixel unit including rows of light-shielding pixels among the pixels; and a valid pixel unit including pixels allowing light from the subject to enter among the pixels; an exposure control unit which exposes the second pixel unit; a read line selecting unit which sequentially selects one or more pixel rows of the OB pixel unit, at different timings during exposure of the valid pixel unit, and causes each of pixels of the one or more pixel rows to output a pixel signal; and a dark charge measuring unit which measures the quantity of dark charge due to dark current of the device using current ones of pixel signals, each time pixel signals are output from the OB pixel unit through the selection by the read line selecting unit.

Abstract: An image processing apparatus obtains a picked-up image which is output from an image pickup element which includes a microlens array for obtaining the picked-up image including ray directional information of an object image formed by a photographing optical system, generates a reconstruction image by reconstructing the obtained picked-up image on the basis of the ray directional information, and detects a defect pixel of the generated reconstruction image.

Abstract: A mobile electronic device application uses various hardware parameters for operation. The application leverages calibration data from other users to determine what the parameters should be for the particular device model on which the application is installed. The application queries a cloud-based data store by sending the model and a hardware-variable parameter to the data store. If a value for the parameter is available in the data store, the application will receive it from the data store and use it in operation. If the value is not available, the application will prompt the user to calibrate the application. The application will use the calibration results to identify a setting, and it will send the setting to the data store for use by other instances in which the application is installed on the same model device.

Abstract: An imaging apparatus, which includes an imaging device having a plurality of image sensors, is configured to receive light incident on the imaging device, obtain an output voltage based the received light, and generate an image based on the output voltage. The plurality of image sensors have an aperture pixel region that accumulates and outputs the charges generated based on the incident light and a shielded optical black region. The imaging device performs a skipping operation for arbitrarily and non-sequentially selecting a read row. By performing an offset correction of a step amount produced during the non-sequential reading due to the skip operation, the step resulting from the skip reading can be corrected.

Abstract: A solid-state image sensor has a pixel array and a processor configured to process a signal from the pixel array, the pixel array including a light-receiving pixel having first and second photoelectric converters and a light-shielded pixel having third and fourth photoelectric converters. The processor outputs (a) a pixel signal corresponding to charges of the first photoelectric converter, (b) an added pixel signal corresponding to a sum of charges of the first photoelectric converter and charges of the second photoelectric converter, and (c) an added reference signal corresponding to a sum of charges of the third photoelectric converter and charges of the fourth photoelectric converter, and does not output (d) a reference signal corresponding to charges of the third photoelectric converter and a reference signal corresponding to charges of the fourth photoelectric converter.

Abstract: A compensating current is applied at one or more points in a signal processing path to compensate for one or both of a dark or offset current present in an input signal. In certain implementations, the dark or offset current is present in a signal generated by a photomultiplier device. The dark or offset current may be monitored in an output of the signal processing path and, the monitoring being used to determine how much compensation is needed in the signal processing path and to allocate where in the signal processing path the compensation current will be applied.

Abstract: A voltage-programmed display system allows measurement of effects on pixels in a panel that includes both active pixels and reference pixels coupled to a supply line and a programming line. The reference pixels are controlled so that they are not subject to substantial changes due to aging and operating conditions over time. A readout circuit is coupled to the active pixels and the reference pixels for reading at least one of current, voltage or charge from the pixels when they are supplied with known input signals. The readout circuit is subject to changes due to aging and operating conditions over time, but the readout values from the reference pixels are used to adjust the readout values from the active pixels to compensate for the unwanted effects.

Abstract: Provided is a solid-state imaging device including a lamination-type backside illumination CMOS (Complementary Metal Oxide Semiconductor) image sensor having a global shutter function. The solid-state imaging device includes a separation film including one of a light blocking film and a light absorbing film between a memory and a photo diode.

Abstract: The present invention is directed to a noise reduction method, comprising: for each of multi-layer regions each containing a pixel of interest and having a successively reducing area, calculating a pixel statistic value of pixels in that region; for each of successive layers, correcting the pixel statistic value for a region at a current layer using a corrected pixel statistic value for a region at a preceding layer having a greater area than that of the region at the current layer; and correcting the pixel of interest using a corrected pixel statistic value for a region with a smallest area.

Abstract: An image pickup apparatus includes a detector and an image processing unit. The detector executes image pickup operations in which electrical signals based on radiation are output and executes, in a period between a first image pickup operation and a second image pickup operation, a first inter-image pickup operation for suppressing a lag generated by the first image pickup operation and a second inter-image pickup operation for obtaining dark signals from the detector after the first inter-image pickup operation. The signal processing unit calculates a correction coefficient using a first time ts, a second time te, and the dark signals, predicts an amount of offset to be included in electrical signals of the second image pickup operation using a third time ts?, a fourth time te?, and the correction coefficient, and executes calculation using the electrical signals and the amount of offset output from the detector in the second image pickup operation.

Abstract: Devices and methods for generating infrared (IR) images with improved quality are disclosed. In embodiments of the invention, temporal averaging techniques are used to reduce temporal noise that may be present in thermal images. This is especially useful in low-contrast thermal scenes, where a relatively small amount of thermal noise may become exceedingly prevalent. In order to average properly, some embodiments of the invention provide methods or means for aligning multiple images that are to be averaged together to eliminate inaccuracies and misrepresentations that may result from averaging misaligned images.

Abstract: An image sensor includes a pixel unit and a pixel readout circuit. The pixel unit includes an image pixel array including a plurality of image pixel columns, respectively; a first reference pixel array including a plurality of first reference pixel columns; and a bias circuit, coupled to the image pixel columns for generating a plurality of column sensing signals, coupled to the first reference pixel columns for generating a plurality of first reference signals, and further for generating a first average reference voltage signal according to the plurality of first reference signals. The pixel readout circuit generates a plurality of reset values and a plurality of sampling values according to the column sensing signals and the first average reference voltage signal, wherein the plurality of reference pixel rows is less than the plurality of image pixel rows.

Abstract: An image pixel includes light nodes and a dark node. The dark node includes: a first charge storage unit for storing first power supply information during a first time period; a second charge storage unit for storing second power supply information related to the power supply during a second time period; and an information output unit for outputting a first sample signal related to the first power supply information or a second sample signal related to the second power supply information. The first power supply information remains in the first charge storage unit during the second time period and during when the second sample signal is outputted by the information output unit.

Abstract: A solid-state imaging device has a configuration for selecting from a plurality of reference pixels at least one reference pixel for outputting a reference signal.

Abstract: A data sampler and a photo detecting apparatus compensate a reference signal with offset information measured from a unit pixel, and compare an offset-compensated reference signal with a data signal, thereby minimizing the impact of an offset occurring with an increase of gain in the data sampler.

Abstract: A method for estimating a fly screen effect of an image capture unit is described, having a plurality of image sensors for providing an item of light intensity information. The method includes a step of determining an image property of an item of image information, based on a plurality of items of light intensity information and on a plurality of parameters, each of the plurality of parameters being associated with each of the plurality of image sensors. This method also includes a step of ascertaining a plurality of parameter values for the plurality of parameters, in which the image property is at least made to approximate an ideal image property, the plurality of parameters representing the fly screen effect in a model of the image capture unit.

Abstract: In this invention, an image pickup unit for endoscope including an image pickup device includes, in an optical black region of the image pickup device, a phase reference pixel region in which a pixel that outputs a signal capable of being used for phase adjustment of the video by receiving light is disposed, and an optical axis of an objective optical system member having an image circle which is narrower than an effective pixel region of the image pickup device is arranged at a position closer to the phase reference pixel region with respect to a center of the effective pixel region such that light transmitted through the objective optical system member can reach the phase reference pixel region.

Abstract: A camera includes: a ring-like body mount having an inside diameter smaller than about 48 millimeters; and a solid-state image pickup device arranged oppositely to the body mount, the solid-state image pickup device having a rectangle light receiving section with a diagonal line length of about 43 millimeters or more. An apparent shape of the solid-state image pickup device viewed from a front surface side of the body mount is a rectangle in which one or more corners are oblique.

Abstract: A solid-state imaging device includes a pixel array section that includes a light-blocked pixel portion, and an effective pixel portion, and a signal process circuit that processes a pixel signal output from each pixel of the pixel array section. The signal processing circuit calculates, as held data, a row statistic obtained by performing a statistical process on pixel signals of the light-blocked pixel portion in the unit of rows, holds the held data items of a plurality of rows including a process target row of the pixel array section, randomly selects one of the held data items of a plurality of rows, and subtracts the randomly selected held data item from a pixel signal of the pixel of the process target row in the effective pixel portion.

Abstract: According to an embodiment of the present invention, a solid state image pickup device is provided. The solid state image pickup device includes a plurality of photoelectric conversion elements, a light shielding unit, and a correction unit. The plurality of photoelectric conversion elements photoelectrically converts an incident light into charges corresponding to a received light amount. The light shielding unit is disposed in a light receiving surface side of a predetermined photoelectric conversion element of the plurality of photoelectric conversion elements and shields an incident light entering the predetermined photoelectric conversion element from a light receiving surface side. The correction unit corrects a received light amount of an incident light received by another photoelectric conversion element other than the predetermined photoelectric conversion element, based on a received light amount of an incident light received by the predetermined photoelectric conversion element.

Abstract: The presented readout structure provides charge transport based readout of a photosensitive device with a minimum number of transport gates. The structure uses the given charge storage buckets of the photosensitive device, separated by a minimum sized barrier-gate, to transport the charge out of the pixel field. This new readout schema allows for a fast readout speed based on a 2 phase transport chain and increases the pixel's optical fill factor by significantly reducing the transport gate size compared to state-of-the-art pixels using a 3 or 4 phase CCD readout chain. This readout structure can be exploited for standard photo-detecting elements such as e.g. pinned photo-diodes or any enhanced pixel structure that has additional intelligence incorporated as well. Typical applications are 2D- or 3D-imaging.

Abstract: An image processing system may process an image of indicia positioned behind a reflective surface. The indicia may be a vehicle identification number and the reflective surface may be a windshield of a vehicle. The image processing system may receive an initial image of the indicia positioned behind a reflective surface and process the initial image to produce a resulting image. In processing the initial image, the image processing system may identify an interest region of the initial image, where the interest region identifies a portion of the initial image affected by glare caused by the reflective surface, texturize the interest region to account for the glare, and remove a defocusing effect from the initial image to account for blur, reflection, or both, caused by the reflective surface. Then, the image processing system may extract data, such as the vehicle identification number, from the resulting image.